id	summary	reporter	owner	description	type	status	milestone	component	version	severity	resolution	keywords	cc
3927	system_error::what() doesn't incorporate code.message() if this->code().value() == 0	Dmitry Goncharov <dgoncharov@…>	Beman Dawes	"if error_code is given 0 as the first argument then system_error::what() ignores code().message().

This piece of code
{{{
boost::system::error_code const ec(0, boost::system::system_category);
boost::system::system_error se(ec);
cout << se.what() << endl;
}}}
will not print anything.
""Success"" is expected.
"	Bugs	closed	Boost 1.43.0	system	Boost 1.42.0	Problem	fixed